catch(NumberFormatException e){
	                	System.out.println("number format exception");
	                	System.out.println(e);
	                }
catch(IllegalArgumentException e){
	                	System.out.println("illegal argument exception");
	                	System.out.println(e);
	                }
catch(Exception e){
	            	System.out.println("other exception");
	            	System.out.println(e);
	            }
